码着玩儿

package keng; class test1{ public test1(){ System.out.println("test1 init"); } { System.out.println("test1"); } static{ System.out.println("static test1"); } } package keng; class test2 e

矩阵算法小练. import java.util.Scanner; //矩阵乘法运算 public class Matrix { public double[][] datas;//数据元素 public int rows;//行数 public int cols;//列数 public Matrix(int r, int c){ datas =

package keng; class test1{ public test1(){ System.out.println("test1 init"); } { System.out.println("test1"); } static{ System.out.println("static test1");